The MRC1050 RIB is a heavy duty high speed commercial 10.5m rigid inflatable boat with composite hull and Kevlar reinforced hull. Propulsion is by two or three outboard engines up to 350HP a piece driving excellent performance, shallow draft and unparalleled manoeuvrability.
The craft layout features a back helm position for two crew on all weather jockey seats. It has a big reinforced cargo deck to transport different type of goods, cargo and/or equipment. All fasteners throughout the whole craft are of A4 high grade stainless steel and feature nylon isolation washer between dissimilar metals to avoid galvanic corrosion.
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MRC1050 RIB Principal Data
Length overall 10.5m
Beam overall 3.30m
Collar Diameter 0.54m
Propulsion 3 Engines 3 x 350HP Outboards
Fuel Capacity 3 x 500L
Crew 2
Embarked Forces 8 – 10
Lightship Weight n/a
Loaded Max. Weight n/a
Speed 3 engines > 58 knots
Range > 250 nm
MRC1050 RIB Hull & Deck
The hull and deck are moulded from Glass Reinforced Plastic (GRP) using E-Glass woven roving and chopped strand reinforcement impregnated with polyester resin. For additional impact resistance the hull laminate is reinforced with Kevlar woven reinforcement. This type of construction is well proven and results in a very robust, but easily repairable structure. The mouldings will have a pigmented isothalic polyester gelcoat, the colour of which will be approved by the customer.
The hull shell is a one piece moulding of single-skin GRP construction. The shell is reinforced in areas of higher loads (ie. in way of craft tie-down points). The transom is reinforced to accept the loads from the porpulsors. The hull structure isa matrix of longtitudinal girders and stringers, and transverse frames and bulkheads that stiffen the hull support the hull shell and the deck. The stringers and frames are GRP ‘top-hat’ stiffeners constructed within the hull. The resulting structure is immensely strong and robust. Limber holes are fitted through the structure to ensure that any water drains to the lowest point within the compartment.
The deck is a one piece moulding. The deck is moulded with all the details, recesses and up-stands required for the deck to fit out. The inner and outer skins are of GRP with a core of structural closed-cell foam. In areas of high load, the core is replaced with higher density structural foam. The deck is bonded to the hull and hull structure using an approved structural adhesive and the joint over laminated with GRP to form a strong watertight connection.
MRC1050 RIB Self-Fendering
The collar is a round air-filled collar. The collar is constructed from 1,500grams/m squared Hypalon coated Nylon fabric with an outer coating of fabric impression finished Hypalon and an inner lining of Neoprene. The minimum linear fibre mass density is not less than 1,670 Dtex. The collar consists of seven separate air chambers, three to port, three to starboard and one at the bow.
Each compartment can be individually inflated or deflated via an inflation/deflation valve, and each compartment is fitted with a pressure relief valve. The collar is glued to the flange, and to internal mouldings if fitted. The following image shows a typical installation of a glued on collar. Further abrasion resistance is provided by a 2-3mm black Hypalon rubber fender strip that is bonded to the outer surface of the collar.
Non-slip Hypalon tread patches are fitted along the top of the collar. These also protect the top of the collar from abrasion.
MRC1050 RIB Propulsion System
The MRC1050 is fitted with 3 powerful outboard engines of different brands up to 350HP each. For example the MRC1050 with 3 x 350HP will go above the 58 knots in leight condition.
MRC1050 RIB Steering
The steering system is a professional Teleflex tournament system with a manual-hydraulic helm pump and an electroc-hydraulic steering pump providing hydraulic power to the steering ram on the propulsors. This system enables the steering system to be fully operable, even when either one of the engines has failed.
MRC1050 RIB Electrical System
The craft’s electrical system is a 12V DC fully insulated two-wire system. Fully waterproof.
MRC1050 RIB Batteries
The engine start batteries are 12V 115Ah batteries. These are maintenance free, inversion proof gel-batteries and of suffucient capacity to start a non preheated engine six time. These batteries are located within the transom compartment, secured within a watertight battery box. The battery box is naturally vented to atmosphere on the Engine Box.
MRC1050 RIB Power Sockets
Waterproof 12V DC powersocket to power the hand held searchlight or any similar 12V DC devises is mounted on the console.
MRC1050 RIB Navigation Lights
As required by SOLAS 72, a craft of this size is required to be fitted with port and starboard (red) and masthead (all round white) lights. The following approved and IP68 rated LED lights are fitted:
- Combined port/starboard 24V LED
- All round white 24V LED
The all round white light can be switched such that it may be used as an anchor light. Both the lights will be mounted on the mast.
MRC1050 RIB Communication System
An ICOM IC-M601 maritime VHF-DSC integrated radio is fitted to the console ahead of the navigator.
MRC1050 RIB Navigation System
- Simrad CX44 NavStation
- Simrad Navigation Radar
- Compass
- An Echomax radar reflector mounted on the mast, but easily detachable when required.
MRC1050 RIB Console
The console is designed for to provide an ergonomically and easy to use arrangement that minimises the risk of operator fatigue and error. The arrangement reflects the M-RIBs experience of the design and construction of fast open boats.
A fixed, heavy-duty Polycarbonate windscreen is fitted to the console.
The following items will be switched from a waterproof (IP67) switch panel mounted on the console:
- Navigation lights (fully dimmable)
- Search lights
The following items are mounted on the console:
- Combined throttle/gear controls
- Engine start/stop buttons
- Engine ignition key
- Analogue Engine RPM guages
- Engine oil pressure/temperature gauges
- Engine cooling water temperature gauges
- Engine hours meter
- Analogue Battery voltmeter gauges
- Analogue Engine compartment temperature gauge.
Portable Fire Extinguishers
Portable 2kg dry powder fire extinguishers are mounted in brackets within easy sight and reach of the crew.
Bilge System
Two automatic 12V electric bilge pumps. The pump to have integral and automatic level detection, with a visual and audible alarm to alert the crew. Switching to be off/on/automatic from the console.
Fuel System
The fuel system consists of two or three fuel tanks (depending on the quantity of engines), filling points and vents, and a supply and return system to each of the engines. The system is configured such that either engine can be supplied and return to either tank.
Outfit and Furnishings
- Anchor (11kg)
- Anchor chain and warp
- Ten (10) jockey seats (ullman seats are optional)
- Identification plate
- Mast (for radar and VHF antenna)
Seats
All crafts provided with professional Ullman Biscaye Suspension seats.
Stowages & Compartments
Bow locker utilising the front hull compartment. Features and large watertight access hatch of MADERA design. Personal equipment can be stowed in dedicated compartments under the seats. Other stowage’s can be determined during detailed design.
Lifting Points
The craft is fitted with three lift points on the deck that are designed for general lifting and specifically for use with the 3-legged strop arrangement. Lifting points are tested for 7 tons each.
MRC1050 RIB Options
These options are to provide additional capability or advantages:
- Foam/air collar
- Ullman suspension seats
- Skydex suspension deck
- Self righting system
- Rapid disembarkation system
- Trailer
- Boat cover
- Shipbuilding under class (Lloyd’s Register, DNV)
